4.

Agreement rate between HHUS and MG in women aged 40–69 years

HHUS	MG		Total	Agreement rate (%)	κ	P
	Positive	Negative
HHUS, handheld ultrasound; MG, mammography; Positive, BI-RADS 4 or BI-RADS 5; Negative, BI-RADS 1, BI-RADS 2 or BI-RADS 3.
Positive	321	93	414	89.6	0.752	<0.001
Negative	42	837	879
Total	363	930	1,293